CN113159586A - Regional gas extraction standard-reaching evaluation visualization system and method - Google Patents
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Abstract
The invention belongs to the technical field of coal mine safety, and discloses a regional gas extraction standard-reaching evaluation visualization system and a regional gas extraction standard-reaching evaluation visualization method, wherein the system comprises a monitoring management module, a calculation evaluation module and a data visualization integration module; the monitoring management module comprises a data acquisition unit and a data storage unit, the calculation and evaluation module stores the effective control range of the drill hole, the evaluation of the uniformity degree of the drill hole distribution, the evaluation index of the gas extraction effect and the standard evaluation index of the gas extraction effect, the data acquisition unit is connected with the data storage unit, the data storage unit is connected with the calculation and evaluation module, and the calculation and evaluation module is connected with the data visualization integration module. The method comprises the steps of data information acquisition, data information comparison, data information display on a visual interface and the like. The method analyzes and visually displays the regional gas extraction standard-reaching evaluation, so that the standard-reaching evaluation work is intelligentized and visualized, and the evaluation efficiency is improved. The method is suitable for standard evaluation of regional gas extraction.
Description
Technical Field
The invention belongs to the technical field of coal mine safety, relates to gas extraction and gas leakage evaluation, and particularly relates to a regional gas extraction standard-reaching evaluation visualization system and method.
Background
With the further exploitation of coal resources in China, the mining depth of mines is continuously deepened, the outstanding problems in coal mines are more serious, the outstanding danger and the accident rate are increased gradually, the safety of mines is seriously threatened, and huge economic loss and adverse social influence are caused to the coal mine enterprises.
Regional gas extraction is used as a method capable of effectively reducing gas outburst, plays a vital role in gas prevention of a mine, but due to different hydrogeological conditions of all regions, occurrence and extraction methods are different, so that the gas extraction standard evaluation and other work has the characteristics of high complexity and high challenge. The traditional gas extraction evaluation method mainly depends on manual operation, and the reliability of an evaluation result is poor due to excessive artificial subjective influence factors, so that certain hidden danger exists for mine safety production.
Disclosure of Invention
The invention aims to provide a tile region gas extraction standard-reaching evaluation visualization system and method, so that the intellectualization and visualization of the regional gas extraction standard-reaching evaluation are realized, and the evaluation efficiency is improved.
In order to achieve the purpose, the technical method comprises the following steps:
the utility model provides a visual system of regional gas drainage standard assessment, includes: the system comprises a monitoring management module, a calculation evaluation module and a data visualization integration module; the monitoring management module comprises a data acquisition unit and a data storage unit, the calculation and evaluation module stores a drilling effective control range, a drilling hole distribution uniformity evaluation, a gas extraction effect evaluation index and a gas extraction effect standard evaluation index, the data acquisition unit is connected with the data storage unit, the data storage unit is connected with the calculation and evaluation module, the calculation and evaluation module is connected with the data visualization integration module, and the data visualization integration module stores possible problems in the regional extraction process and regulation and control management commands of the solution method in advance.
As a limitation: the regional gas extraction standard-reaching evaluation visualization system further comprises a data statistics export module, and the data statistics export module is connected with the calculation evaluation module.
As another limitation: the system management module is connected with the data acquisition unit to realize user management, modify, add and/or delete relevant parameter attributes in the data acquisition unit and display corresponding data.
The data acquisition unit comprises a gas concentration sensor, a negative pressure sensor, a flow sensor and a temperature sensor, the data storage unit is an NAS data storage server, the gas concentration sensor, the negative pressure sensor, the flow sensor and the temperature sensor are all connected with the NAS data storage server, and the NAS data storage server is connected with the calculation and evaluation module.
The invention also provides a method of the regional gas extraction standard-reaching evaluation visualization system, which comprises the following steps:
s1, the data acquisition unit acquires data information of the region to be detected corresponding to the corresponding drill hole number, extraction standard-reaching early warning information is formed, and the extraction standard-reaching early warning information is stored in the data storage unit;
s2, the data storage unit sends the received extraction standard-reaching early warning information to a calculation and evaluation module, the calculation and evaluation module correspondingly calculates the extraction standard-reaching early warning information, compares the calculation and evaluation module with the stored effective control range of the drill hole, the evaluation of the uniformity degree of the drill hole distribution, the evaluation index of the gas extraction effect and the standard-reaching evaluation index of the gas extraction effect, gives corresponding evaluation information, adopts different colors for evaluation and classification, and sends the extraction standard-reaching early warning information and the evaluation information to a data visualization integration module;
and S3, integrating the extracted standard-reaching early warning information and the extracted standard-reaching evaluation information to a comprehensive visual interface by the data visualization integration module, displaying the data information and the evaluation information, and extracting corresponding regulation and control management commands pre-stored in the data visualization integration module according to different problems corresponding to the data monitored and calculated in real time and displaying the corresponding regulation and control management commands on the comprehensive visual interface.
As a limitation: the method for measuring the effective control range of the drilling hole comprises the following steps: for bedding drilling, the effective drilling range is determined according to a control edge line in the length direction of the drilling, a connection line of two drilling holes at the edge and the drilling hole opening position; for cross-layer drilling, the effective range of the drilling hole is defined by a connecting line between coal points of adjacent effective edge holes; the control edge line in the length direction of the drill hole is a connecting line of effective hole depth points of the drill hole, and the final hole point of the short hole in the adjacent effective drill hole is used as the effective hole depth point of the adjacent drill hole;
and (3) evaluating the uniformity degree of drilling and hole distribution: after the gas drilling construction of the pre-pumping coal seam is finished, the uniformity degree of the gas drilling in an effective control range is evaluated, the pre-pumping drilling hole interval is smaller than or equal to the design interval, the drilling hole intervals are the same, and the areas with consistent pre-pumping time are divided into an evaluation unit, so that the classification evaluation is facilitated;
the method for measuring the gas extraction effect evaluation index specifically comprises the following steps: when the pre-gas-extraction effect of the same evaluation unit is evaluated, firstly, the pre-gas-extraction effect index is actually measured on site after the residual gas content or the residual gas pressure and the desorbable gas amount after extraction according to the extraction measurement parameters meet the expected standard index requirement;
the standard judgment indexes of the gas extraction effect are specifically as follows: when the gas emission quantity comes from the coal face of the mining layer, judging whether the gas extraction effect of the coal face evaluation range reaches the standard or not according to the daily output of the coal face and the desorbable gas quantity within the evaluation range; for the outburst coal seam, judging that the pre-extraction gas outburst prevention effect of the outburst coal seam evaluation range reaches the standard when the residual gas pressure or the residual gas content of the coal seam measured by all measuring points in the evaluation range is smaller than the expected outburst prevention effect standard gas pressure or gas content and no spray holes, top drills or other power phenomena exist during drilling construction and measurement, and otherwise, judging that the range with the over-standard point as the center of a circle and the radius of 100m does not reach the standard; judging whether the gas emission quantity of the coal face is from the adjacent layer or the surrounding rock, and judging whether the gas pre-extraction effect of the coal face reaches the standard according to the absolute gas emission quantity of the coal face and the gas extraction rate of the coal face; and for mine gas extraction, judging that the mine gas pre-extraction effect reaches the standard according to the absolute gas emission quantity of the mine and the mine gas extraction rate.
As a further limitation: the regional gas extraction standard-reaching evaluation visualization system further comprises a system management module, the system management module is connected with the data acquisition unit, in the step S1, the system management module manages users, modifies, adds and/or deletes relevant parameter attributes in the data acquisition unit, displays corresponding data, and the data acquisition unit acquires data information of a region to be detected corresponding to a corresponding drill hole number by the modified, added and/or deleted relevant parameter attributes to form extraction standard-reaching warning information which is stored in the data storage unit.
As another limitation: the regional gas extraction standard-reaching evaluation visualization system further comprises a data statistics derivation module, the data statistics derivation module is connected with the calculation evaluation module, and in the step S2, the calculation evaluation module sends extraction standard-reaching early warning information and evaluation information to the data visualization integration module and the data statistics derivation module.
As a further limitation: in the step S3, the data visualization integration module integrates the extraction standard-reaching early warning information and the extraction standard-reaching evaluation information into a comprehensive visualization interface, displays the data information and the evaluation information, extracts corresponding regulation and control management commands pre-stored in the data visualization integration module according to different problems corresponding to the data monitored and calculated in real time, and displays the corresponding regulation and control management commands on the comprehensive visualization interface; and the data statistics export module records the extraction standard-reaching early warning information and the evaluation information to form an extraction early warning information recording table for export and printing.
Due to the adoption of the scheme, compared with the prior art, the invention has the beneficial effects that:
(1) according to the regional gas extraction standard-reaching evaluation visualization system, the calculation evaluation module is adopted to perform standard-reaching evaluation analysis on regional gas extraction, and the data visualization integration module is adopted to realize the visual display of the regional gas extraction standard-reaching evaluation, so that the standard-reaching evaluation work is intelligentized and visualized, the evaluation efficiency is improved, the evaluation cost is saved, and the regional gas extraction standard-reaching evaluation visualization system has a certain reference value for coal mine engineering technicians;
(2) according to the regional gas extraction standard-reaching evaluation visualization system, the extraction standard-reaching early warning information and the extraction standard-reaching evaluation information are recorded, exported and printed by the data statistics export module, so that the difficulty of conventional report writing and data query is reduced; the system management module is adopted to modify, add and/or delete the relevant parameter attributes of the data acquisition unit so as to adapt to different requirements;
(3) according to the method, data acquired by a data acquisition unit are subjected to classified calculation processing by a calculation and evaluation module and then integrated to a visual interface, so that the gas extraction condition of an underground extraction region is reflected in real time, the extraction standard reaching condition is visually displayed, and a field guidance basis is provided for coal mine technicians;
in conclusion, the regional gas extraction standard-reaching evaluation visualization system and the regional gas extraction standard-reaching evaluation visualization method provided by the invention have the advantages that the regional gas extraction standard-reaching evaluation is analyzed and visually displayed, so that the standard-reaching evaluation work is intelligentized and visualized, and the evaluation efficiency is improved.
The method is suitable for standard evaluation of regional gas extraction.
Drawings
The invention is described in further detail below with reference to the figures and the embodiments.
Fig. 1 is a structural block diagram of a regional gas extraction standard-reaching evaluation visualization system according to an embodiment of the invention;
in the figure: 1. a monitoring management module; 2. and a data acquisition unit.
Detailed Description
The present invention is further described with reference to the following examples, but it should be understood by those skilled in the art that the present invention is not limited to the following examples, and any modifications and equivalent changes based on the specific examples of the present invention are within the scope of the claims of the present invention.
Embodiment of visualization system and method for regional gas extraction standard reaching evaluation
The utility model provides a visual system of regional gas drainage standard assessment, includes: the system comprises a monitoring management module 1, a calculation evaluation module, a data visualization integration module, a data statistics derivation module and a system management module; the monitoring management module 1 comprises a data acquisition unit 2 and a data storage unit, wherein the data acquisition unit 2 comprises a gas concentration sensor, a negative pressure sensor, a flow sensor and a temperature sensor, the data storage unit is an NAS data storage server, and the gas concentration sensor, the negative pressure sensor, the flow sensor and the temperature sensor are all connected with the NAS data storage server; the calculation evaluation module stores the effective control range of the drill hole, the evaluation of the uniformity degree of the drill hole distribution, the evaluation index of the gas extraction effect and the standard judgment index of the gas extraction effect, and the data acquisition unit 2 is connected with the data storage unit; the NAS data storage server is connected with the calculation and evaluation module, the calculation and evaluation module is respectively connected with the data visualization integration module and the data statistics derivation module, and the system management module is respectively connected with the gas concentration sensor, the negative pressure sensor, the flow sensor and the temperature sensor, so that management of users is realized, relevant parameter attributes of the gas concentration sensor, the negative pressure sensor, the flow sensor and the temperature sensor are modified, added and/or deleted, and corresponding data are displayed.
The method for the regional gas extraction standard-reaching evaluation visualization system comprises the following steps:
s1, the system management module manages users, modifies, adds and/or deletes relevant parameter attributes of a gas concentration sensor, a negative pressure sensor, a flow sensor and a temperature sensor in the data acquisition unit 2, displays corresponding data, collects data information of a region to be detected corresponding to a corresponding drilling number, forms extraction standard-reaching early warning information, and stores the extraction standard-reaching early warning information in an NAS data storage server;
s2, the NAS data storage server sends the received extraction standard-reaching early warning information to a calculation and evaluation module, the calculation and evaluation module correspondingly calculates the extraction standard-reaching early warning information, compares the extraction standard-reaching early warning information with the stored drilling hole effective control range, drilling hole distribution uniformity evaluation, gas extraction effect evaluation indexes and gas extraction effect standard-reaching evaluation indexes, gives corresponding evaluation information, adopts different colors for evaluation and classification, and sends the extraction standard-reaching early warning information and the evaluation information to a data visualization integration module and a data statistics derivation module;
the method for measuring the effective control range of the drilling hole comprises the following steps: for bedding drilling, the effective drilling range is determined according to a control edge line in the length direction of the drilling, a connection line of two drilling holes at the edge and the drilling hole opening position; for cross-layer drilling, the effective range of the drilling hole is defined by a connecting line between coal points of adjacent effective edge holes; the control edge line in the length direction of the drill hole is a connecting line of effective hole depth points of the drill hole, and the final hole point of the short hole in the adjacent effective drill hole is used as the effective hole depth point of the adjacent drill hole;
and (3) evaluating the uniformity degree of drilling and hole distribution: after the gas drilling construction of the pre-pumping coal seam is finished, the uniformity degree of the gas drilling in an effective control range is evaluated, the pre-pumping drilling hole interval is smaller than or equal to the design interval, the drilling hole intervals are the same, and the areas with consistent pre-pumping time (the pre-pumping time difference coefficient is smaller than 30%) are divided into an evaluation unit, so that the classification evaluation is facilitated; the pre-extraction time difference coefficient is expressed as:
calculating, where eta is the pre-extraction time difference coefficient, TmaxFor the drilling extraction days with the longest pre-extraction time, TminThe number of pumping days of the drill hole with the shortest pre-pumping time is determined.
The method for measuring the gas extraction effect evaluation index specifically comprises the following steps: when the pre-gas extraction effect of the same evaluation unit is evaluated, firstly, the pre-gas extraction effect indexes, namely the gas extraction rate of a working face and the gas extraction rate of a mine, are actually measured on site after the residual gas content or the residual gas pressure and the desorbable gas amount after extraction according to the extraction measurement parameters meet the expected standard index requirements; residual gas content W after extractionCYPush button
Is calculated by formula (I) wherein W0Q is the total amount of the gas drained by drilling of an evaluation unit, G is the participation of the evaluation unit in the calculation of the coal reserves, and G is (L ═ L)Trend towards-H1-H2+2R)(l-h1-h2+ R) m γ, wherein LTrend towardsFor evaluation of the run length of the cells per layer, H1、H2Respectively pre-discharging equivalent widths of gas in roadways at two ends of the trend direction of the evaluation unit, R is the effective influence radius of the extraction drill hole, l is the average tendency length of each layer of skin in the extraction drill hole control range of the evaluation unit, and h1、h2The paper width such as gas pre-drainage is assumed for both sides of the evaluation unit in the direction of inclination, m is the average layer thickness of the evaluation unit, and γ is the coal density of the evaluation unit. Residual gas pressure P after extractionCYPush type
Performing a reverse calculation of W in the formulaCYIs the residual gas content, a, b are the adsorption constants, PCYRelative gas pressure, P, of residual coal bedαAt standard atmospheric pressure, AdAsh content of coal, MadIs the moisture of the coal, pi is the porosity of the coal, and gamma is the volume weight of the coal; amount of gas W that can be desorbed from coaljAccording to Wj＝WCY-WCCCalculation of in the formula WjIs the amount of desorbable gas, W, of coalCYIs the residual gas content, WCCIs the residual gas content of the coal under the standard atmospheric pressure,
working face gas extraction rate
By calculation, of formulamFor working face extraction rate, QmcThe method for measuring and calculating the average gas extraction quantity of the working face in the current month during the extraction period comprises the steps of measuring the gas extraction quantity of each gas extraction main pipe in the range of the working face, including ground well drilling and underground extraction (including mobile extraction), measuring for at least 3 times per week, and taking the sum of the average values of the measured values in the current month as the average gas extraction quantity of the working face in the current month; qmfThe method for measuring and calculating the gas discharge amount of the working face in the current month comprises the steps of subtracting the gas discharge amount brought by all the intake air flow from the gas discharge amount of all the return air flow of the working face, taking the average value according to the day as the gas discharge amount of the working face wind in the current month, and taking the maximum gas discharge amount of the working face wind in the current month as the gas discharge amount of the working face wind in the current month. Mine gas extraction rate is according to
Formula (i) where etakFor the extraction rate of the mine, QkcThe method for measuring and calculating the average gas extraction quantity of the current month mine comprises measuring the gas extraction quantity of a main extraction pipe of each gas extraction station for surface well extraction and underground extraction (including mobile extraction) in the field range, measuring for not less than 12 times every day, and taking the sum of the average values of the measured values according to the month to be the average gas extraction quantity of the current month mine; qkfThe method for measuring and calculating the gas discharge amount of the mine in the current month comprises the steps of taking the sum of the average values of return air gases of the return air wells according to the current day as the gas discharge amount of the mine in the current month, and taking the maximum gas discharge amount of the mine in the current month as the gas discharge amount of the mine in the current month.
The standard judgment indexes of the gas extraction effect are specifically as follows: judging the coal face evaluation according to the daily output of the coal face and the amount of the gas capable of being desorbed in the evaluation rangeWhether the gas extraction effect in the price range reaches the standard or not is judged, and the specific judgment standard of the reaching standard is that the daily coal yield t belongs to (0,1000)]The amount of desorbed gas WjShould be no more than 8m3T; working face daily coal yield t epsilon (1000,2500)]The amount of desorbed gas WjShould be no more than 7m3T; working face daily coal yield t epsilon (2500,4000)]The amount of desorbed gas WjShould be no more than 6m3T; working face daily coal yield t epsilon (4000,6000)]The amount of desorbed gas WjShould be no more than 5.5m3T; working face daily coal yield t epsilon (6000,8000)]The amount of desorbed gas WjShould not be more than 5.0m3T; working face daily coal yield t epsilon (8000,10000)]The amount of desorbed gas WjShould be no more than 4.5m 3/t; when the daily coal yield t of the working surface is more than 10000t, the amount of the desorbed gas WjShould not be more than 5.0m3T; the evaluation classification adopts red, orange, blue and green, and when the evaluation classification is green, the gas extraction within the working face evaluation range reaches the standard, which is specifically shown in table 1.
TABLE 1 grading evaluation index of desorbable gas quantity of coal before stoping of coal face of mining layer
For the outburst coal seam, judging that the pre-extraction gas outburst prevention effect of the outburst coal seam evaluation range reaches the standard when the residual gas pressure or the residual gas content of the coal seam measured by all measuring points in the evaluation range is smaller than the expected outburst prevention effect standard gas pressure or gas content and no spray holes, top drills or other power phenomena exist during drilling construction and measurement, and otherwise, judging that the range with the over-standard point as the center of a circle and the radius of 100m does not reach the standard; the expected outburst prevention effect reaches the gas pressure or the gas content of the standard, the value is taken according to the gas pressure or the gas content at the coal seam initial outburst depth, and the gas pressure or the gas content of the coal seam at the coal seam initial outburst depth is not inspectedWhen the pressure is higher than the predetermined value, the pressure is respectively 0.74MPa and 8m3The value of/t.
And for the coal face with the gas emission quantity from the adjacent layer or the surrounding rock, judging that the gas pre-extraction effect of the face reaches the standard according to the absolute gas emission quantity of the face and the gas extraction rate of the face, wherein the specific judgment standard of reaching the standard is that when the absolute gas emission quantity Q of the face belongs to [5,10 ], the extraction rate eta of the facemShould not be less than 20%; when the absolute gas emission quantity Q of the working face belongs to [10,20 ], the extraction rate eta of the working facemShould not be less than 30%; when the absolute gas emission quantity Q of the working face belongs to [20,40 ], the extraction rate eta of the working facemShould not be less than 40%; when the absolute gas emission quantity Q of the working face belongs to [40,70 ], the extraction rate eta of the working facemShould not be less than 50%; when the absolute gas emission quantity Q of the working face belongs to [70,100 ], the extraction rate eta of the working facemShould not be less than 60%; absolute gas emission Q of working surface is more than 100m3Extraction rate eta of working face at/minmShould not be less than 70%; the evaluation classification adopts red, orange, blue and green, and when the evaluation classification is green, the gas extraction within the working face evaluation range reaches the standard, which is specifically shown in table 2.
TABLE 2 grading evaluation index for gas extraction rate of coal face
For mine gas extraction, the mine gas pre-extraction effect is judged to reach the standard according to the mine absolute gas emission quantity and the mine gas extraction rate, and the specific judgment standard of reaching the standard is that when the mine absolute gas emission quantity Q is less than 20m3Mine extraction rate eta at/minkShould not be less than 25%; when Q is equal to [20,40 ], the extraction rate eta of the minekShould not be less than 35%; when Q is equal to [40,80 ], the extraction rate eta of the minekShould not be less than 40%; when Q belongs to [80,160 ], the extraction rate eta of the minekShould not be less than 45%; when Q ∈[160,300) the extraction rate of the mine should be etakNot less than 50%; when Q belongs to [300,500 ], the extraction rate eta of the minekShould not be less than 55%; when Q is not less than 500m3Mine extraction rate eta at/minkShould not be less than 60%; the evaluation classification adopts red, orange, blue and green, and when the evaluation classification is green, the mine gas extraction reaches the standard, specifically shown in table 3.
TABLE 3 grading evaluation index for mine gas extraction rate
S3, integrating the extracted standard-reaching early warning information and the extracted standard-reaching evaluation information to a comprehensive visual interface by a data visualization integration module, displaying the data information and the evaluation information, and extracting corresponding regulation and control management commands to display on the comprehensive visual interface according to different problems corresponding to the data monitored and calculated in real time; the data visualization integration module is pre-stored with possible problems in the regional extraction process and regulation and control management commands of a solution method; and the data statistics export module records the extraction standard-reaching early warning information and the evaluation information to form an extraction early warning information recording table for export and printing.
Claims (9)
1. The utility model provides a visual system of regional gas drainage standard assessment which characterized in that includes: the system comprises a monitoring management module, a calculation evaluation module and a data visualization integration module; the monitoring management module comprises a data acquisition unit and a data storage unit, the calculation and evaluation module stores a drilling effective control range, a drilling hole distribution uniformity evaluation, a gas extraction effect evaluation index and a gas extraction effect standard evaluation index, the data acquisition unit is connected with the data storage unit, the data storage unit is connected with the calculation and evaluation module, the calculation and evaluation module is connected with the data visualization integration module, and the data visualization integration module stores possible problems in the regional extraction process and regulation and control management commands of the solution method in advance.
2. The regional gas extraction qualification evaluation visualization system according to claim 1, further comprising a data statistics derivation module, wherein the data statistics derivation module is connected with the calculation evaluation module.
3. The regional gas extraction standard-reaching evaluation visualization system according to claim 1, characterized in that the regional gas extraction standard-reaching evaluation visualization system further comprises a system management module, the system management module is connected with the data acquisition unit to manage users, modify, add and/or delete relevant parameter attributes in the data acquisition unit, and display corresponding data.
4. The regional gas extraction standard evaluation visualization system according to any one of claims 1 to 3, wherein the data acquisition unit comprises a gas concentration sensor, a negative pressure sensor, a flow sensor and a temperature sensor, the data storage unit is an NAS data storage server, the gas concentration sensor, the negative pressure sensor, the flow sensor and the temperature sensor are all connected with the NAS data storage server, and the NAS data storage server is connected with the calculation evaluation module.
5. The method for the regional gas extraction qualification evaluation visualization system according to any one of claims 1 to 4, characterized by comprising the following steps:
s1, the data acquisition unit acquires data information of the region to be detected corresponding to the corresponding drill hole number, extraction standard-reaching early warning information is formed, and the extraction standard-reaching early warning information is stored in the data storage unit;
s2, the data storage unit sends the received extraction standard-reaching early warning information to a calculation and evaluation module, the calculation and evaluation module correspondingly calculates the extraction standard-reaching early warning information, compares the calculation and evaluation module with the stored effective control range of the drill hole, the evaluation of the uniformity degree of the drill hole distribution, the evaluation index of the gas extraction effect and the standard-reaching evaluation index of the gas extraction effect, gives corresponding evaluation information, adopts different colors for evaluation and classification, and sends the extraction standard-reaching early warning information and the evaluation information to a data visualization integration module;
and S3, integrating the extracted standard-reaching early warning information and the extracted standard-reaching evaluation information to a comprehensive visual interface by the data visualization integration module, displaying the data information and the evaluation information, and extracting corresponding regulation and control management commands pre-stored in the data visualization integration module according to different problems corresponding to the data monitored and calculated in real time and displaying the corresponding regulation and control management commands on the comprehensive visual interface.
6. The method according to claim 5, characterized in that the effective control range of the drill hole is determined by: for bedding drilling, the effective drilling range is determined according to a control edge line in the length direction of the drilling, a connection line of two drilling holes at the edge and the drilling hole opening position; for cross-layer drilling, the effective range of the drilling hole is defined by a connecting line between coal points of adjacent effective edge holes; the control edge line in the length direction of the drill hole is a connecting line of effective hole depth points of the drill hole, and the final hole point of the short hole in the adjacent effective drill hole is used as the effective hole depth point of the adjacent drill hole;
and (3) evaluating the uniformity degree of drilling and hole distribution: after the gas drilling construction of the pre-pumping coal seam is finished, the uniformity degree of the gas drilling in an effective control range is evaluated, the pre-pumping drilling hole interval is smaller than or equal to the design interval, the drilling hole intervals are the same, and the areas with consistent pre-pumping time are divided into an evaluation unit, so that the classification evaluation is facilitated;
the method for measuring the gas extraction effect evaluation index specifically comprises the following steps: when the pre-gas-extraction effect of the same evaluation unit is evaluated, firstly, the pre-gas-extraction effect index is actually measured on site after the residual gas content or the residual gas pressure and the desorbable gas amount after extraction according to the extraction measurement parameters meet the expected standard index requirement;
the standard judgment indexes of the gas extraction effect are specifically as follows: when the gas emission quantity comes from the coal face of the mining layer, judging whether the gas extraction effect of the coal face evaluation range reaches the standard or not according to the daily output of the coal face and the desorbable gas quantity within the evaluation range; for the outburst coal seam, judging that the pre-extraction gas outburst prevention effect of the outburst coal seam evaluation range reaches the standard when the residual gas pressure or the residual gas content of the coal seam measured by all measuring points in the evaluation range is smaller than the expected outburst prevention effect standard gas pressure or gas content and no spray holes, top drills or other power phenomena exist during drilling construction and measurement, and otherwise, judging that the range with the over-standard point as the center of a circle and the radius of 100m does not reach the standard; judging whether the gas emission quantity of the coal face is from the adjacent layer or the surrounding rock, and judging whether the gas pre-extraction effect of the coal face reaches the standard according to the absolute gas emission quantity of the coal face and the gas extraction rate of the coal face; and for mine gas extraction, judging that the mine gas pre-extraction effect reaches the standard according to the absolute gas emission quantity of the mine and the mine gas extraction rate.
7. The method according to claim 5 or 6, wherein the regional gas extraction standard-reaching evaluation visualization system further comprises a system management module, the system management module is connected with the data acquisition unit, in the step S1, the system management module manages users, modifies, adds and/or deletes relevant parameter attributes in the data acquisition unit, displays corresponding data, and the data acquisition unit acquires data information of the region to be detected, corresponding to the corresponding drill hole number, to form extraction standard-reaching warning information, and stores the extraction standard-reaching warning information in the data storage unit.
8. The method according to claim 5 or 6, wherein the regional gas extraction standard-reaching evaluation visualization system further comprises a data statistics derivation module, the data statistics derivation module is connected with the calculation evaluation module, and in step S2, the calculation evaluation module sends extraction standard-reaching early warning information and evaluation information to the data visualization integration module and the data statistics derivation module.
9. The method according to claim 8, wherein in step S3, the data visualization integration module integrates the extraction compliance warning information and the evaluation information into a comprehensive visualization interface, displays the data information and the evaluation information, and extracts a corresponding regulation and control management command pre-stored in the data visualization integration module according to different problems corresponding to the data monitored and calculated in real time to display on the comprehensive visualization interface; and the data statistics export module records the extraction standard-reaching early warning information and the evaluation information to form an extraction early warning information recording table for export and printing.
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